<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>手风琴demo演示</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="accordion-wrapper">
        <ul>
            <li><div>项目一</div></li>
            <li><div>项目二</div></li>
            <li><div>项目三</div></li>
            <li><div>项目四</div></li>
            <li><div>项目五</div></li>
        </ul>
    </div>
</body>
</html>